2 years ago

Use the fraction below to answer the questions.

Mathematics

1 answer:

Setler [38]2 years ago

8 0

The Numerator is 1, which is the top. The Denominator is the 8. I like to remember (D)own is the (D)enominator.

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Dante Michael's charge account statement showed a previous balance of $277.45 a finance charge of $3.22 new purchases of $299.33

Lena [83]

<span>Add up the finance charge and new purchases to the old balance. Then subtract off the payment to lower the balance

277.45+3.22+299.33-316.00 = 264

The new balance is $264.</span>

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3 years ago

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Mrrafil [7]

Answer:

1:6

Step-by-step explanation:

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2 years ago

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The volume of a cylinder is 40 ft3. Which expression represents the volume of a cone with the same base and height as the

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Answer:

1/3(40)ft³

Step-by-step explanation:

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3 years ago

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White raven [17]

Answer:

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Step-by-step explanation:

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2 years ago

Suppose that the useful life of a car battery, measured in months, decays with parameter 0.03 . We are interested in the life of

scZoUnD [109]

Answer:

a) X ~ $e(0.03)$

b) μ = 100/3

c) $\sigma = 100/3$

d) A battery is expected to last 100/3 months (33 months and 10 days approximately).

e) For seven batteries, i would expect them to last 700/3 months (approximately 19 years, 5 months and 10 days).

Step-by-step explanation:

a) The life of a battery is usually modeled with an exponential distribution X ~ $e(0.03)$

b) The mean of X is μ = 1/0.03 = 100/3

c) The standard deviation is $\sigma = 1/0.03 = 100/3$

d) The expected value of the bateery life is equal to its mean, hence it is 100/3 months.

e) The expected value of 7 (independent) batteries is the sum of the expected values of each one, hence it is 7*100/3 = 700/3 months.

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3 years ago